Solve for X in the equation of 2X + 3A = B
$$A=\begin{bmatrix} 1 & -2 \\\\ 0 & 3 \end{bmatrix}$$
$$B=\begin{bmatrix} -3 & 4 \\\\ 2 & 1 \end{bmatrix}$$
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.